404013403144313 has 4 divisors (see below), whose sum is σ = 404033556474240. Its totient is φ = 403993249814388.

The previous prime is 404013403144121. The next prime is 404013403144339. The reversal of 404013403144313 is 313441304310404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404013403144313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404013403144343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10076634893 + ... + 10076674986.

It is an arithmetic number, because the mean of its divisors is an integer number (101008389118560).

Almost surely, 2^{404013403144313} is an apocalyptic number.

It is an amenable number.

404013403144313 is a deficient number, since it is larger than the sum of its proper divisors (20153329927).

404013403144313 is a wasteful number, since it uses less digits than its factorization.

404013403144313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153329926.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 404013403144313 its reverse (313441304310404), we get a palindrome (717454707454717).

The spelling of 404013403144313 in words is "four hundred four trillion, thirteen billion, four hundred three million, one hundred forty-four thousand, three hundred thirteen".